Wins
84
Indexed tournament wins
Player record
Donoso, Arnaldo
Losses
65
Indexed tournament losses
Matches
149
Decisive results
Win rate
56.4%
Across indexed matches
Peak rating
2,068
Highest rating in the available history.
Biggest upset
Martz, Al
Pacific Coast Open · Sep 7, 1997 · +409 rating
Open →Biggest loss
Kuluva, Neil
Thousand Oaks Classic · Apr 25, 1999 · -214 rating
Open →Most frequent opponent
Avishy Schmidt
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
21 tournament appearances · synced Aug 11, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Oct 1, 1995 | Pacific CoastTournament · View matches · Initial rating 1,675 | Unrated | 1,675 | — | 1W / 1L |
21–21 of 21
PreviousPage 2 of 2